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52970185801 = 1331131439667
BaseRepresentation
bin110001010101010001…
…001110010001001001
312001201120202020120101
4301111101032101021
51331440331421201
640200102525401
73553436102401
oct612521162111
9161646666511
1052970185801
112051231a665
12a323736861
134cc2215a10
1427c6db5801
1515a04e9d01
hexc5544e449

52970185801 has 8 divisors (see below), whose sum is σ = 58884971264. Its totient is φ = 47318279760.

The previous prime is 52970185787. The next prime is 52970185817. The reversal of 52970185801 is 10858107925.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52970185801 - 219 = 52969661513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52970185001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65719431 + ... + 65720236.

It is an arithmetic number, because the mean of its divisors is an integer number (7360621408).

Almost surely, 252970185801 is an apocalyptic number.

It is an amenable number.

52970185801 is a deficient number, since it is larger than the sum of its proper divisors (5914785463).

52970185801 is a wasteful number, since it uses less digits than its factorization.

52970185801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131439711.

The product of its (nonzero) digits is 201600, while the sum is 46.

The spelling of 52970185801 in words is "fifty-two billion, nine hundred seventy million, one hundred eighty-five thousand, eight hundred one".

Divisors: 1 13 31 403 131439667 1708715671 4074629677 52970185801